GUIDE SPECIFICATION Los Angeles World Airports SECTION HOLLOW METAL DOORS AND FRAMES

Transcription

1 SECTION HOLLOW METAL DOORS AND FRAMES PART 1 - GENERAL 1.1 SUMMARY A. This Section includes hollow metal doors and frames. NOTE: The integration of the existing LAWA Security System into the new door and frame may be required. The Contractor shall be responsible for the total and complete coordination of the security system components of the work. 1.2 SUBMITTALS A. Product Data: Submit product data for each product indicated. Include material descriptions, core descriptions, label compliance, sound and fire-resistance ratings, and finishes for each type of door and frame specified. B. Shop Drawings: Submit door and frame schedule using same reference designations indicated on Drawings. Include opening size(s), handing of doors, frame throat dimensions, details of each frame type, elevations of door design types, details of construction, location and installation requirements of door hardware and reinforcements, hardware group numbers, details of joints and connections, fire label requirements including fire rating time duration, maximum temperature rise requirements, and smoke label requirements. NOTE: For Pet Relief Areas, door and frames will be galvanized. NOTE: On the shop drawings, indicate the routing of electrical conduit with related dimensions and locations of required cutouts in doors and frames that are to accept electric hardware devices. C. Construction Samples: Submit approximately 18 by 24 inches (450 by 600 mm) construction samples, representing the required construction of doors and frames for Project. 1. Doors: Show vertical-edge, top, and bottom construction; insulation; face stiffeners; and hinge and other applied hardware reinforcement. Include glazing stops if applicable. 2. Welded Frames: Show profile, welded corner joint, welded hinge reinforcement, dustcover boxes, floor and wall anchors, stops, and silencers. Include glazing stops if applicable. 3. Frames: Show profile, corner joint, welded hinge reinforcement, wall anchors, stops, and silencers. D. Certificate of Compliance for Fire Rated Doors: Provide copies of Certificate of Compliance for all fire rated door assemblies, all smoke and draft control door assemblies, and all temperature rise rated door assemblies. E. Oversize Construction Certification: For door assemblies required to be fire rated and exceeding limitations of labeled assemblies, submit certification of a testing agency acceptable to authorities having jurisdiction that each door and frame assembly has been HOLLOW METAL DOORS AND FRAMES July Openings

2 constructed to comply with design, materials, and construction equivalent to requirements for labeled construction. 1.3 QUALITY ASSURANCE A. Hollow Metal Door and Frame Standard: Comply with the applicable provisions and recommendations of the following publications by Hollow Metal Manufacturers Association (HMMA) Div. of National Association of Architectural Metal Manufacturers (NAAMM), unless more stringent requirements are indicated in the Contract Documents: 1. HMMA Hollow Metal Manual. 2. HMMA 861 Guide Specifications for Commercial Hollow Metal Doors and Frames. B. Manufacturer Qualifications: A firm experienced in manufacturing hollow metal doors and frames similar to those indicated for this Project and with a record of successful in-service performance, as well as sufficient production capacity to produce required units. C. Fire-Rated Door Assemblies: Assemblies complying with NFPA 80 that are listed and labeled by a testing and inspecting agency acceptable to authorities having jurisdiction, for fire-protection ratings indicated, based on testing according to NFPA 252 or UL 10C Standard for Positive Pressure Fire Tests of Door Assemblies. Fire classification labels at all doors with fire ratings greater than 20 minutes shall indicate the temperature rise developed on the unexposed surface of the door after the first 30 minutes of fire exposure. 1. Provide metal labels permanently fastened on each door which is within the size limitations established by the LADBS. 2. Temperature-Rise Rating: Where indicated, provide doors that have a temperature-rise rating of 450 deg F (250 deg C) maximum in 30 minutes of fire exposure. 3. Positive Pressure Rated Door Assemblies: Where indicated provide positive pressure rated fire rated door assemblies. Sizes and configurations as shown on the drawings. Installed door assemblies shall be in accordance with door manufacturers certified assemblies. a. Test Pressure: Test according to NFPA 252 or UL 10C. After 5 minutes into the test, neutral pressure level in furnace shall be established at 40 inches (1000 mm) or less above the sill. 4. Oversize Fire-Rated Door Assemblies: For units exceeding sizes of tested assemblies, provide certification by a testing agency acceptable to authorities having jurisdiction that doors comply with standard construction requirements for tested and labeled firerated door assemblies except for size. D. Fire-Rated Window Assemblies: Assemblies complying with NFPA 80 that are listed and labeled by a testing and inspecting agency acceptable to authorities having jurisdiction, for fire ratings indicated, based on testing according to NFPA 257 or UL 9. E. Smoke-Control Door Assemblies: Comply with NFPA 105 or UL DELIVERY, STORAGE, AND HANDLING A. Deliver doors and frames palleted, wrapped, or crated to provide protection during transit and Project site storage. B. Inspect doors and frames, on delivery, for damage. Tool marks, rust, blemishes, and other damage on exposed surfaces will not be acceptable. Remove and replace damaged items as HOLLOW METAL DOORS AND FRAMES July Openings

3 directed by Architect. Store doors and frames at building site in a dry location, off the ground, and in such a manner as to prevent deterioration. C. Contractor to maintain door and frame integrity and quality during storage, installation and ongoing construction until the doors and frames are turned over to LAWA. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide doors and frames by one of the following: 2.2 MATERIALS 1. Hollow Metal Doors and Frames: a. Door Components Inc. DCI. b. Curries Company; an Assa Abloy Group Company. c. Ceco Door Products; an Assa Abloy Group Company. A. Specified Gage Thickness: All specified gauge thicknesses are Manufacturer s Standard Gauge. B. Hot-Rolled Steel Sheets: ASTM A1008/A1008M, CS (commercial steel), Type B; free of scale, pitting, or surface defects; pickled and oiled. C. Cold-Rolled Steel Sheets: ASTM A 1011/A 1011M, CS (commercial steel), Type B, free from scale, pitting, coil breaks, surface blemishes, buckles, waves, or other defects, exposed (matte) dull finish, suitable for exposed applications. D. Inserts, Bolts, and Fasteners: Galvanized steel. 1. Expansion Bolts and Shields: FS FF-S-325, Group III, Type 1 or Machine Screws: FS FF-S-92, carbon steel, Type III cross recessed, design I or II recess, style 2C flat head. E. Filler: Sound deadening and heat retarding mineral fiber insulating material. 2.3 DOORS A. General: Provide flush-design doors, 1-3/4 inches (44 mm) thick, of seamless hollow construction, unless otherwise indicated. Construct doors with sheets joined at their vertical edges by continuous welding the full height of the door, with no visible seams on their faces or vertical edges, and all welds ground and finished flush. 1. Visible joints or seams around glazed panel inserts are permitted. 2. For single-acting swing doors, bevel both vertical edges 1/8 inch in 2 inches (3 mm in 50 mm). 3. For double-acting swing doors, round vertical edges with 2-1/8-inch (54-mm) radius. 4. Door reveals around jamb to door will be NO LESS than 1/8, and no more than 3/16 gap at top and sides of doors. 5. Solid, or fixed type of flat astragal use is not acceptable. Use only split mohair or brush type HOLLOW METAL DOORS AND FRAMES July Openings

4 6. No automatic door bottoms or sound control auto door bottoms. Use only surface mount rubber door sweeps to control weather and rodents 7. On doors that have access control keypad, locate the keypad on the strike side of the frame and within This requirement also applies for double doors at the active door leaf. 8. If limiting arm is to be used, it shall be mortised into the jamb and not surface mounted. NOTE: For the doors, make provisions for the installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replace. Provide all cutouts and reinforcements required for these steel doors to accept security system components. All new restroom entrance doors shall provide the clearance width necessary to accommodate a 42 wide wheelchair. B. Interior Door Core Construction: Doors shall be stiffened by continuous vertically formed steel sections which, upon assembly, shall span the full thickness of the interior space between door faces. These stiffeners shall be inch (0.6-mm) minimum thickness, spaced so that the vertical interior webs shall be not more than 6 inches (150 mm) apart and spot welded to face sheets a maximum of 5 inches (127 mm) o.c. Place filler between stiffeners for full height of door. C. Fire Door Cores: A continuous mineral fiberboard core permanently bonded to the inside face of the outer face sheet unless otherwise required to provide fire-protection and temperature-rise ratings indicated. D. Astragals: As required by NFPA 80 to provide fire ratings indicated. Use split-type astragal where feasible. E. Top and Bottom Channels: Spot weld metal channels, having a thickness of not less than thickness of face sheet, not more than 6 inches (150 mm) o.c. to face sheets. 1. Reinforce tops and bottoms of doors with inverted horizontal channels of same material as face sheet so flanges of channels are even with bottom and top edges of face sheets. F. Hardware Reinforcement: Fabricate reinforcing from the same material as door to comply with the following. Offset reinforcement so that faces of mortised hardware items are flush with door surfaces. 1. Hinges and Pivots: 7 gauge (0.167 inch) (4.2 mm) thick by 1-1/2 inches (38 mm) wide by 9 inches (229 mm). 2. Lock Front, Strike, and Flushbolt Reinforcements: 12 gauge (0.093 inch) (2.3 mm) thick by size as required by hardware manufacturer. 3. Lock Reinforcement Units: 14 gauge (0.067 inch) (1.7 mm) thick by size as required by hardware manufacturer. 4. Closer Reinforcements: 12 gauge (0.093 inch) (2.3 mm) thick one piece channel by size as required by hardware manufacturer. 5. Other Hardware Reinforcements: As required for adequate strength and anchorage. 6. In lieu of reinforcement specified, hardware manufacturers recommended reinforcing units may be used. HOLLOW METAL DOORS AND FRAMES July Openings

5 7. Exit Device Reinforcements: inch (6.35 mm) thick by 10 inches (245 mm) high by 4 inches (101 mm) wide centered on exit device case body, unless otherwise recommended by exit device manufacturer. G. Electrical Requirements: Make provisions for installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replaced. 1. Provide all cutouts and reinforcements required for hollow metal doors to accept security system components. 2. The use of VonDuprin (VON) EPT is mandatory where electrified hinges are scheduled. a. Hinge Location: Center for doors less than 90 inches (2286 mm) tall or second hinge from door bottom for doors greater than 90 inches (2286 mm); top or bottom electric hinge locations shall not be permitted. H. Interior Hollow Metal Doors: 2.4 FRAMES 1. Typical Interior Doors: Flush design with 18 gauge (0.042-inch-) (1.06-mm-) thick cold-rolled stretcher-leveled steel face sheets and other metal components from hot- or cold-rolled steel sheets. 2. Extra Heavy Use Doors: Flush design with 14 gauge (0.067-inch-) (1.7-mm-) thick cold-rolled, stretcher-leveled steel face sheets and other metal components from hot- or cold-rolled steel sheets. Provide only where indicated. A. Fabricate hollow metal frames, formed to profiles indicated, with full 5/8 inch (16 mm) stops, and of the following minimum thicknesses. 1. For interior use, form frames from cold- rolled steel sheet of the following thicknesses: a. Openings up to and Including 48 Inches (1200 mm) Wide: 16 gauge (0.053 inch) (1.3 mm). b. Openings More Than 48 Inches (1200 mm) Wide: 14 gauge (0.067 inch) (1.7 mm). NOTE: For the frames, make provisions for installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replace. Provide all cutouts and reinforcements required for steel frames to accept security system components. Provide welded sheet metal boxes with metal conduit or raceway to permit wiring from electric hinge to other electric door hardware. B. Provide frames either saw mitered and full (continuously) profile welded, or machine mitered and full (continuously) profile welded, on back side at frame corners and stops with edges straight and true. Grind welds smooth and flush on exposed surfaces. C. Hardware Reinforcement: Fabricate reinforcements from same material as frame to comply with the following. Offset reinforcement so that faces of mortised hardware items are flush with surface of the frame. 1. Hinges and Pivots: 7 gauge (0.167 inch) (4.2 mm) thick by 1-1/4 inches (32 mm) wide by 10 inches (254 mm). 2. Strike, Surface Mounted Hold Open Arms, and Flushbolt Reinforcements: 12 gauge (0.093 inch) (2.3 mm) thick by size as required by hardware manufacturer. HOLLOW METAL DOORS AND FRAMES July Openings

6 3. Closer Reinforcements: 12 gauge (0.093 inch) (2.3 mm) thick one piece channel by size as required by hardware manufacturer. 4. Other Hardware Reinforcements: As required for adequate strength and anchorage. D. Electrical Requirements: Make provisions for installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replaced. 1. Provide all cutouts and reinforcements required for hollow metal frames to accept security system components. 2. Frames with Electric Hinges and Pivots: Provide welded on UL listed back boxes with metal conduit or raceway to permit wiring from electric hinge or pivot to other electric door hardware. a. Hinge Location: Center for doors less than 90 inches (2286 mm) tall or second hinge from door bottom for doors greater than 90 inches (2286 mm); top or bottom electric hinge locations shall not be permitted. E. Mullions and Transom Bars for Sidelights, Transoms, and Borrowed Light Frames: Provide closed or tubular mullions and transom bars where indicated. Fasten mullions and transom bars at crossings and to jambs by butt welding. Reinforce joints between frame members with concealed clip angles or sleeves of same metal and thickness as frame. F. Jamb Anchors: Locate jamb anchors above hinges and directly opposite on strike jamb as required to secure frames to adjacent construction. At metal stud partitions locate the additional jamb anchor below the top hinge. 1. Masonry Construction: Adjustable, corrugated or perforated, anchors to suit frame size; formed of same material and gauge thickness as frame; at non-rated frames use friction fit T-shaped anchors, at rated frames use anchors consisting of spot welded strap and adjustable anchor; with leg not less than 2 inches (50 mm) wide by 10 inches (250 mm) long. Furnish at least the number of anchors per jamb according to the following frame heights: a. Two anchors per jamb up to 60 inches (1500 mm) in height. b. Three anchors per jamb from 60 to 90 inches (1500 to 2250 mm) in height. c. Four anchors per jamb from 90 to 96 inches (2250 to 2400 mm) in height. d. One additional anchor per jamb for each 24 inches (600 mm) or fraction thereof more than 96 inches (2400 mm) in height. 2. Metal-Stud Partitions: Metal channel stud zee anchor sized to match stud width, welded to back of frames, formed of same material and gauge thickness as frame. Provide at least the number of anchors for each jamb according to the following heights: a. Three anchors per jamb up to 60 inches (1500 mm) in height. b. Four anchors per jamb from 60 to 90 inches (1500 to 2250 mm) in height. c. Five anchors per jamb from 90 to 96 inches (2250 to 2400 mm) in height. d. One additional anchor per jamb for each 24 inches (600 mm) or fraction thereof more than 96 inches (2400 mm) in height. 3. In-Place Concrete or Masonry: Anchor frame jambs with minimum 3/8-inch- (9-mm-) diameter countersunk flat head bolts into expansion shields or inserts 6 inches (150 mm) from top and bottom of each jamb with intermediate anchors spaced a maximum of 26 inches (650 mm) o.c. Soffit face of frame shall be punched and dimpled to HOLLOW METAL DOORS AND FRAMES July Openings

7 accept countersunk bolt head. Reinforce frame with spacer to prevent bowing. Bolt head shall be set slightly below soffit face, filled and ground smooth at time of installation. G. Floor Anchors: Provide floor anchors for each jamb and mullion that extends to floor, formed of same material as frame, 12 gauge (0.093 inch) (2.3 mm) thick, and punched with two holes to receive two (2) inch (9.5 mm) fasteners. Where floor fill or setting beds occur support frame by adjustable floor anchors bolted to the structural substrate. Terminate bottom of frames at finish floor surface. Weld floor anchors to frames with at least 4 spot welds per anchor. H. Head Strut Supports: Provide 3/8-by-2-inch (9-by-50-mm) vertical steel struts extending from top of frame at each jamb to supporting construction above. Bend top of struts to provide flush contact for securing to supporting construction above by bolting, welding, or other suitable anchorage. Provide adjustable wedged or bolted anchorage to frame jamb members to permit height adjustment during installation. Adapt jamb anchors at struts to permit adjustment. I. Head Reinforcement: For frames more than 48 inches (1200 mm) wide in masonry wall openings, provide continuous steel channel or angle stiffener, 12 gauge (0.093 inch) (2.3 mm) thick for full width of opening, welded to back of frame at head. Head reinforcements shall not be used as a lintel or load bearing member for masonry. J. Spreader Bars: Provide removable spreader bar across bottom of frames, tack welded to jambs and mullions to serve as bracing during shipment and handling and to hold frames in proper position until anchorage and adjacent construction have been completed. K. Door Silencer Holes: Drill strike jamb stop to receive three silencers on single door frames and for two silencers on double door frames. Insert plastic plugs in holes to keep holes clear during installation. L. Plaster Guards and Removable Access Plates: Provide 26 gauge (0.016-inch-) (0.4-mm-) thick plaster guards or dust-cover boxes of same material as frame, welded to frame at back of hardware cutouts to close off interior of openings and prevent mortar or other materials from obstructing hardware operation. Provide removable access plates in the heads of frames to receive overhead concealed door closers. 2.5 STOPS AND MOLDINGS A. Provide continuous stops and moldings around glazed panels where indicated. B. Form fixed stops and moldings integral with frame, on the exterior (non-secured) side of the frame. C. Provide removable stops and moldings formed of 20 gauge (0.032-inch-) (0.8-mm-) thick steel sheets matching hollow metal frames. Secure with countersunk oval head machine screws spaced uniformly not more than 12 inches (300 mm) o.c. Form corners with butted or mitered hairline joints. D. Coordinate rabbet width between fixed and removable stops with type of glass or panel and type of installation indicated. HOLLOW METAL DOORS AND FRAMES July Openings

8 2.6 HOLLOW METAL FRAMES A. Provide hollow metal door frames to be used as both door buck and trim, formed to profiles shown, of minimum 16 gauge (0.053 inch) (1.3 mm) thick cold rolled steel. 1. Frames shall be splined, tabbed, and miter fit, knockdown type compatible with adjacent construction conditions. 2. Accurately machine, file, and fit exposed connections with hairline joints. 3. Frame Anchorage: Jamb requirements for installation will be fastened from back with screws to stud framing and into floor. 4. Miter and anchorage type subject to acceptance of Architect. B. Mortise, reinforce, drill and tap frames for mortise type hardware. Provide internal reinforcement for surface type hardware which is to be field drilled and tapped per requirements hereinbefore specified for welded frames and including silencers. Locate hardware in frames to match location specified and in accordance with the hardware schedule and templates. NOTE: For any storefront doors, the following is required: 6 stiles, 12 bottom rail, 6 top rail, 6 middle lock rail, top and bottom rods to be surface or internal mounted, glass color will match adjacent existing glass. Use LCN Closure 4040 XP. 2.7 FABRICATION A. Fabricate doors and frames rigid, neat in appearance, and free of defects, warp, wave, and buckle. Accurately form metal to sizes and profiles indicated. Accurately machine, file, and fit exposed connections with hairline joints. Weld exposed joints continuously; grind, fill, dress, and make smooth, flush, and invisible. B. Exposed Fasteners: Provide countersunk flat heads for exposed screws and bolts, unless otherwise indicated. C. Hardware Preparation: Prepare doors and frames to receive hardware, including cutouts, reinforcement, mortising, drilling, and tapping, according to final hardware schedule and templates provided by hardware supplier. Secure reinforcement by spot welding. Comply with applicable requirements of ANSI/BHMA A and A W specifications for door and frame preparation for hardware. Factory reinforced doors and frames to receive surface-applied hardware. Factory drill and tap for surface-applied hardware, except at push plates and kick plates provide reinforcing only. 1. Locate hardware according to HMMA 831, "Recommended Hardware Locations for Custom Hollow Metal Doors and Frames" or otherwise directed by LAWA. 2.8 STEEL SHEET FINISHES A. General: Clean, treat and prime surfaces of fabricated hollow metal door and frame work, inside and out, whether exposed or concealed in the construction. B. Surface Preparation: Clean surfaces to comply with SSPC-SP 1, "Solvent Cleaning"; remove dirt, oil, grease, or other contaminants that could impair paint bond. Remove mill scale, shavings, filings, and rust, if present, complying with SSPC-SP 3, "Power Tool Cleaning," HOLLOW METAL DOORS AND FRAMES July Openings

9 C. Factory Priming for Field-Painted Finish: Apply shop primer immediately after surface preparation and pretreatment. Apply a sufficient number of coats, baked on, to obtain uniformly smooth exposed surfaces. Touch up surfaces having runs, smears, or bare spots. 1. Shop Primer: Manufacturer's or fabricator's standard, fast-curing, corrosion-inhibiting, lead- and chromate-free, universal primer complying with ANSI A acceptance criteria; compatible with substrate and field-applied finish paint system indicated. PART 3 - EXECUTION 3.1 INSTALLATION A. General: Install doors and frames according to the referenced standards, the Architect reviewed shop drawings, and manufacturer's written recommendations and installation instructions. B. Frames: Install frames where indicated. Extend frame anchorages below fills and finishes. Coordinate the installation of built-in anchors for wall and partition construction as required with other work. 1. Frames: Install frames in locations shown, in perfect alignment and elevation, plumb, level, straight and true, and free from rack. 2. Welded Frames: a. Set masonry anchorage devices where required for securing frames to in-place concrete or masonry construction. (1) Set anchorage devices opposite each anchor location as specified and anchorage device manufacturer's written instructions. Leave drilled holes rough, not reamed, and free of dust and debris. b. Placing Frames: Set frames accurately in position; plumb; align, and brace securely until permanent anchors are set. (1) At concrete or masonry construction, set frames and secure in place with machine screws and masonry anchorage devices. Countersink anchors, and fill and make smooth, flush, and invisible on exposed faces. (2) Anchor bottom of frames to floors through floor anchors with threaded fasteners. (3) Fire rated doors and frames will not be modified, or field spliced in field. (4) Remove spreader bars only after frames are properly set and secured. Restore exposed finish by grinding, filling, and dressing, as required to make repaired area smooth, flush, and invisible on exposed faces. 3. At fire-rated openings, install frames according to NFPA Existing Frames (Salvaged from Alteration Work): Install salvaged existing frames in locations indicated. C. Doors: 1. Non-Fire Rated Doors: Fit non-fire-rated doors accurately in their respective frames, with the following clearances: a. Jambs and Head: 1/8 inch minimum 3/16 inch maximum. b. Meeting Edges, Pairs of Doors: 1/8 inch 3/16 inch maximum. c. Bottom: 3/8 inch (9 mm), if no threshold or carpet. HOLLOW METAL DOORS AND FRAMES July Openings

10 d. Bottom: 1/8 inch (3 mm), at threshold or carpet. 2. Fire-Rated Doors: Install with clearances as specified in NFPA Smoke Control Doors: Install according to NFPA Existing Doors (Salvaged from Alteration Work): Install salvaged existing doors in locations indicated. D. Glazing: Comply with installation requirements in Division 08 Section Glazing and with hollow metal manufacturers written instructions. 1. Secure stops with countersunk flat or oval head machine screws spaced uniformly not more than 9 inches (230 mm) o.c. and not more than 2 inches (50 mm) o.c. from each corner. E. Apply hardware in accordance with hardware manufacturer s instructions. Drill and tap for machine screws as required. Do not use self-tapping sheet metal screws. Adjust door installation to provide uniform clearance at head and jambs, and to contact stops uniformly. Adjust hardware items just prior to final inspection. Leave work in complete and proper operating condition. 1. Field cut existing hollow metal doors and frames indicated to receive new hardware. Field cutting shall be executed in a workmanlike manner and shall not void the existing door and frame labeling. 3.2 ADJUSTING AND CLEANING A. Final Adjustments: Check and readjust operating hardware items just before final inspection. Leave work in complete and proper operating condition. Remove and replace defective work, including doors or frames that are warped, bowed, or otherwise unacceptable. B. Prime-Coat Touchup: Immediately after erection, sand smooth rusted or damaged areas of prime coat and apply touchup of compatible air-drying primer. C. Remove and replace defective work, including doors or frames that are warped, bowed, or otherwise defective. D. Institute protective measures required throughout the remainder of the construction period to ensure that hollow metal doors and frames will be without damage or deterioration, at time of substantial completion. END OF SECTION HOLLOW METAL DOORS AND FRAMES July Openings

11 SECTION STAINLESS-STEEL DOORS AND FRAMES PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Stainless-steel, hollow-metal doors. 2. Stainless-steel, hollow-metal frames. NOTE: The integration of the existing LAWA Security System into the steel door and frame work may be required. The Contractor shall be responsible for the total and complete coordination of the security system components of the work. 1.2 ACTION SUBMITTALS A. Product Data: For each type of product indicated. Include construction details, material descriptions, core descriptions, fire-resistance rating, temperature-rise ratings, and finishes. B. Shop Drawings: Include the following: 1. Elevations of each door design. 2. Details of doors, including vertical and horizontal edge details and metal thicknesses. 3. Frame details for each frame type, including dimensioned profiles and metal thicknesses. 4. Locations of reinforcement and preparations for hardware. 5. Details of each different wall opening condition. 6. Details of anchorages, joints, field splices, and connections. 7. Details of accessories. 8. Details of moldings, removable stops, and glazing. 9. Details of conduit and preparations for power, signal, and control systems. NOTE: Reveals will not exceed 3/16 inch, and be no less than 1/8 inch minimum. This includes storefront, stainless steel, and hollow metal. C. Samples for Verification: 1. Finishes: For each type of exposed finish required, prepared on Samples of not less than 3 by 5 inches (75 by 125 mm). 2. Doors: Include section of vertical-edge, top, and bottom construction; core construction; glazing; and hinge and other applied hardware reinforcement. 3. Frames: Show profile, corner joint, floor and wall anchors, and silencers. Include separate section showing fixed hollow-metal panels and glazing if applicable. D. Schedule: Provide a schedule of stainless-steel, hollow-metal work prepared by or under the supervision of supplier, using same reference numbers for details and openings as those on Drawings. Coordinate with a door hardware schedule. STAINLESS-STEEL DOORS AND FRAMES July Openings

12 1.3 INFORMATIONAL SUBMITTALS A. Oversize Construction Certification: For assemblies required to be fire rated and exceeding limitations of labeled assemblies. B. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, for each type of stainless-steel, hollow-metal door and frame assembly. 1.4 QUALITY ASSURANCE A. Source Limitations: Obtain stainless-steel, hollow-metal work from single source from single manufacturer. B. Fire-Rated Door Assemblies: Assemblies complying with NFPA 80 that are listed and labeled by a qualified testing agency, for fire-protection ratings indicated, based on testing at positive pressure according to NFPA 252 or UL 10C. 1. Oversize Fire-Rated Door Assemblies: For units exceeding sizes of tested assemblies provide certification by a qualified testing agency that doors comply with standard construction requirements for tested and labeled fire-rated door assemblies except for size. 2. Temperature-Rise Limit: At vertical exit enclosures and exit passageways, provide doors that have a maximum transmitted temperature end point of not more than 450ºF (250ºC) above ambient after 30 minutes of standard fire-test exposure. C. Smoke- and Draft-Control Door Assemblies: At corridors, smoke barriers, and smoke partitions, provide assemblies tested according to UL 1784 and installed in compliance with NFPA Air Leakage Rate: Maximum air leakage of 0.3 cfm/sq. ft. (3 cu. m per minute/sq. m) at the tested pressure differential of 0.3-inch wg (75 Pa) of water. D. Fire-Rated, Borrowed-Light Frame Assemblies: Assemblies that are listed and labeled, by a testing agency acceptable to authorities having jurisdiction, for fire-protection ratings indicated, based on testing according to NFPA 257 or UL 9. Label each individual glazed lite. Install in compliance with NFPA 80. E. Pre-installation Conference: Conduct conference at Project site. 1.5 DELIVERY, STORAGE, AND HANDLING A. Deliver doors and frames palletized, wrapped, or crated to provide protection during transit and Project-site storage. Do not use non-vented plastic. B. Shipping Spreaders: Deliver welded frames with two removable spreader bars across bottom of frames, tack welded or mechanically attached to jambs and mullions. C. Store doors and frames under cover at Project site. Place units in a vertical position with heads up, spaced by blocking, on minimum 4-inch- (100-mm-) high wood blocking. Avoid using non-vented plastic or canvas shelters that could create a humidity chamber. 1. If wrappers on doors become wet, remove cartons immediately. Provide minimum 1/4- inch (6-mm) space between each stacked door to permit air circulation. 1.6 PROJECT CONDITIONS A. Field Measurements: Verify actual dimensions of openings by field measurements before fabrication. STAINLESS-STEEL DOORS AND FRAMES July Openings

13 1.7 COORDINATION A. Coordinate installation of anchorages for stainless-steel frames. Furnish setting drawings, templates, and directions for installing anchorages, including sleeves, inserts, anchor bolts, and items with integral anchors. Deliver such items to Project site in time for installation. PART 2 - PRODUCTS 2.1 STAINLESS-STEEL DOORS AND FRAMES A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: 1. Ambico Limited. 2. Ceco Door Products; an ASSA ABLOY Group company. 3. CURRIES Company; an ASSA ABLOY Group company. 4. Door Components Inc. DCI NOTE: Make provisions for installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replace. Provide all cutouts and reinforcements required for steel doors to accept security system components. 2.2 STAINLESS-STEEL DOORS A. Description: Stainless-steel doors, not less than 1-3/4 inches (44 mm) thick, of seamless, hollow-metal construction. Construct doors with smooth, flush surfaces without visible joints or seams on faces. 1. Face Sheets: Fabricate from inch- (1.98-mm-) thick, stainless-steel sheet. 2. Core Construction: Fabricate doors with core indicated. a. Welded Steel-Stiffened Core: vertical stiffeners extending full-door height, spaced not more than 6 inches (152 mm) apart, spot welded to face sheets a maximum of 5 inches (127 mm) o.c. Fill spaces between stiffeners with mineralfiber insulation. b. Laminated Core: foam-plastic insulation fastened to face sheets with waterproof adhesive. c. Fire-Rated Door Core: As required to provide fire-protection and temperaturerise ratings indicated. Provide stiffeners in a manner which will not compromise the required fire rated construction of the door leaf and assembly. 3. Vertical Edges for Single-Acting Doors: Beveled 1/8 inch in 2 inches (3 mm in 50 mm). 4. Vertical Edges for Double-Acting Doors: Round vertical edges with 2-1/8-inch (54- mm) radius. 5. Moldings for Glazed Lites in Doors: inch- (0.95-mm-) thick stainless steel. 6. Loose Stops for Glazed Lites in Doors: inch- (0.95-mm-) thick stainless steel. STAINLESS-STEEL DOORS AND FRAMES July Openings

14 7. Top and Bottom Channels: Closed with continuous channels, inch- (1.59-mm-) thick stainless steel. a. Securely fastened using adhesive. 8. Hardware Reinforcement: Fabricate according to ANSI/NAAMM-HMMA 866 with reinforcing plates from stainless steel. 9. Electrical Hardware Enclosures: Provide enclosures and junction boxes within doors for electrically operated door hardware, interconnected with UL-approved, 1/2-inch- (12.7-mm-) diameter conduit and connectors. a. Where indicated for installation of wiring, provide access plates to junction boxes, fabricate from same material and thickness as face sheet and fasten with at least four security fasteners spaced not more than 6 inches (152 mm) o.c. B. Performance: Level A, ANSI A C. Materials: 1. Stainless-Steel Sheet: ASTM A240/A240M, austenitic stainless steel, Type 304 or 316 as indicated. 2. Steel Sheet: ASTM A1008/A1008M or ASTM A1011/A1011M, Commercial Steel (CS), Type B. 3. Metallic-Coated Steel Sheet: ASTM A653/A653M, Commercial Steel (CS), Type B; with minimum G60 (Z180) or A60 (ZF180) metallic coating. 4. Foam-Plastic Insulation: Manufacturer's standard polystyrene board insulation with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, according to ASTM E84. Enclose insulation completely within door. 5. Mineral-Fiber Insulation: Insulation composed of rock-wool fibers, slag-wool fibers, or glass fibers. D. Stainless-Steel Finishes: 1. Surface Preparation: Remove tool and die marks and stretch lines, or blend into finish. 2. Polished Finishes: Grind and polish surfaces to produce uniform finish, free of cross scratches. a. Run grain of directional finishes with long dimension of each piece. b. When polishing is completed, passivate and rinse surfaces. Remove embedded foreign matter and leave surfaces chemically clean. c. Directional Satin Finish: No STAINLESS-STEEL PANELS A. Provide stainless-steel panels of same construction, materials, and finish as specified for adjoining stainless-steel doors. NOTE: Make provisions for installation of electrical items specified elsewhere; arrange so wiring can be readily removed and replace. Provide all cutouts and reinforcements required for steel doors to accept security system components. Provide welded on sheet metal boxes with metal conduit or raceway to permit wiring from electric hinge to other electric door hardware. STAINLESS-STEEL DOORS AND FRAMES July Openings

15 2.4 STAINLESS-STEEL FRAMES A. Description: Fabricate stainless-steel frames of construction indicated, with faces of corners mitered and contact edges closed tight. 1. Door Frames: Saw mitered and full (continuously) welded. a. Weld frames according to HMMA Sidelight Transom and Borrowed-Light Frames: Saw mitered and full (continuously) welded. 3. Door Frames for Openings 48 Inches (1219 mm) Wide or Less: Fabricate from inch- (1.98-mm-) inch- (2.78-mm-) thick, stainless-steel sheet. 4. Door Frames for Openings More Than 48 Inches (1219 mm) Wide: Fabricate from inch- (2.78-mm-) thick, stainless-steel sheet. 5. Borrowed-Light Frames: Fabricate from inch- (1.98-mm-) thick, stainless-steel sheet. 6. Sidelight and Transom Frames: Fabricate from stainless-steel sheet of same thickness as adjacent door frame. 7. Glazing and Panel Stops: Formed integral with stainless-steel frames, minimum 5/8 inch (16 mm) high, unless otherwise indicated. 8. Loose Stops for Glazed Lites and Panels: inch- (0.95-mm-) thick stainless steel. 9. Hardware Reinforcement: Fabricate according to ANSI/NAAMM-HMMA 866 with reinforcing plates from stainless steel. 10. Head Reinforcement: inch- (2.78-mm-) thick, stainless-steel channel or angle stiffener for openings widths more than 48 inches (1219 mm). 11. Jamb Anchors: a. Masonry Type: Adjustable strap-and-stirrup or T-shaped anchors to suit frame size, not less than inch- (1.59-mm-) thick stainless steel with corrugated or perforated straps not less than 2 inches (50 mm) wide by 10 inches (250 mm) long; or wire anchors not less than inch (4.0 mm) thick. b. Stud-Wall Type: Designed to engage stud, welded to back of frames; not less than inch- (1.27-mm-) thick stainless steel. c. Compression Type for Slip-on Frames: Fabricate adjustable compression anchors from stainless steel. d. Post-installed Expansion Type for In-Place Concrete or Masonry: Minimum 3/8- inch- (9.5-mm-) diameter, stainless-steel bolts with expansion shields or inserts. Provide pipe spacer from frame to wall, with throat reinforcement plate, welded to frame at each anchor location. 12. Floor Anchors: Not less than inch- (1.98-mm-) thick stainless steel, and as follows: a. Monolithic Concrete Slabs: Clip-type anchors, with two holes to receive fasteners. STAINLESS-STEEL DOORS AND FRAMES July Openings

16 b. Separate Topping Concrete Slabs: Adjustable-type anchors with extension clips, allowing not less than 2-inch (50-mm) height adjustment. Terminate bottom of frames at finish floor surface. 13. Ceiling Struts: Minimum 3/8-inch-thick by 2-inch- (9.5-mm-thick by 50-mm-) wide from stainless steel. 14. Plaster Guards: Not less than inch- (0.48-mm-) thick stainless steel. B. Performance: Level A, ANSI A C. Materials: 1. Stainless-Steel Sheet: ASTM A240/A240M, austenitic stainless steel, Type 304 or 316 as indicated. 2. Steel Sheet: ASTM A1008/A1008M or ASTM A1011/A1011M, Commercial Steel (CS), Type B. 3. Metallic-Coated Steel Sheet: ASTM A653/A653M, Commercial Steel (CS), Type B; with minimum G60 (Z180) or A60 (ZF180) metallic coating. 4. Frame Anchors: Stainless-steel sheet. Same type as door face. 5. Frame Anchors: Steel sheet, hot-dip galvanized according to ASTM A153/A153M, Class B. 6. Inserts, Bolts, and Anchor Fasteners: Stainless-steel components complying with ASTM F593 and ASTM F594, Alloy Group 1 or 2 (ASTM F738M and ASTM F836M, Alloy Group 1 or 4) for bolts and nuts. 7. Inserts, Bolts, and Anchor Fasteners: Hot-dip galvanized steel according to ASTM A153/A153M or ASTM F2329. D. Finishes: 2.5 ACCESSORIES 1. Surface Preparation: Remove tool and die marks and stretch lines, or blend into finish. 2. Polished Finishes: Grind and polish surfaces to produce uniform finish, free of cross scratches. a. Run grain of directional finishes with long dimension of each piece. b. When polishing is completed, passivate and rinse surfaces. Remove embedded foreign matter and leave surfaces chemically clean. c. Directional Satin Finish: No. 4. A. Glazing: Comply with requirements in Section "Glazing." B. Grout: Comply with ASTM C476, with a slump of not more than 4 inches (102 mm) as measured according to ASTM C143/C143M. C. Corrosion-Resistant Coating: Cold-applied asphalt mastic, compounded for 15-mil (0.4-mm) dry film thickness per coat. Provide inert-type noncorrosive compound free of asbestos fibers, sulfur components, and other deleterious impurities. D. Mineral Fiber Insulation: Insulation composed of rock-wool fibers, slag-wool fibers, or glass fibers. STAINLESS-STEEL DOORS AND FRAMES July Openings

17 2.6 FABRICATION A. Stainless-Steel Door Fabrication: Stainless-steel doors to be rigid and free of defects, warp, or buckle. Accurately form metal to required sizes and profiles, with minimum radius for thickness of metal. 1. Seamed Edge Construction: Both vertical door edges joined by visible, continuous interlocking seam (lock seam) full height of door. 2. Seamed Edge Construction: Both vertical door edges joined by visible seam that is projection, spot, or tack welded on inside edges of door at minimum 6 inches (152 mm) o.c. 3. Seamless Edge Construction: Door face sheets joined at vertical edges by continuous weld extending full height of door; with edges ground and polished, providing smooth, flush surfaces with no visible seams. 4. Exterior Doors: Close top edges flush and seal joints against water penetration. Provide weep-hole openings in bottom of exterior doors to permit moisture to escape. 5. Stops and Moldings: Factory cut openings in doors. Provide stops and moldings around glazed lites. Form corners of stops and moldings with butted or mitered hairline joints. a. Glazed Lites: Provide fixed stops and moldings welded on secure side of door. b. Coordinate rabbet width between fixed and removable stops with type of glazing and type of installation indicated. 6. Hardware Preparation: Factory prepare stainless-steel doors to receive templated mortised hardware; include cutouts, reinforcement, mortising, drilling, and tapping, according to the Door Hardware Schedule and templates furnished as specified in Section "Door Hardware." a. Reinforce doors to receive non-templated mortised and surface-mounted door hardware. 7. Locate hardware as indicated, or if not indicated, according to HMMA 831, "Recommended Hardware Locations for Custom Hollow Metal Doors and Frames." 8. Tolerances: Fabricate doors to tolerances indicated in ANSI/NAAMM-HMMA 866. B. Stainless-Steel Frame Fabrication: Fabricate stainless-steel frames to be rigid and free of defects, warp, or buckle. Accurately form metal to required sizes and profiles, with minimum radius for thickness of metal. Where practical, fit and assemble units in manufacturer's plant. To ensure proper assembly at Project site, clearly identify work that cannot be permanently factory assembled before shipment. 1. Weld flush face joints continuously; grind, fill, dress, and make smooth, flush, and invisible. Where frames are fabricated in sections due to shipping or handling limitations, provide alignment plates or angles at each joint, fabricated from same thickness metal as frames. STAINLESS-STEEL DOORS AND FRAMES July Openings

18 2. Mullions Rails and Transom Bars: Provide closed tubular members with no visible face seams or joints. Fasten members at crossings and to jambs by butt welding according to joint designs in HMMA 820. a. Provide false head member to receive lower ceiling where frames extend to finish ceilings of different heights. 3. Provide countersunk, flat-, or oval-head exposed screws and bolts for exposed fasteners unless otherwise indicated. 4. Floor Anchors: Weld anchors to bottom of jambs and mullions with at least four spot welds per anchor. 5. Jamb Anchors: Provide number and spacing of anchors as follows: a. Masonry Type: Locate anchors not more than 18 inches (457 mm) from top and bottom of frame. Space anchors not more than 32 inches (813 mm) o.c. and as follows: (1) Two anchors per jamb up to 60 inches (1524 mm) in height. (2) Three anchors per jamb from 60 to 90 inches (1524 to 2286 mm) in height. (3) Four anchors per jamb from 90 to 96 inches (2286 to 2438 mm) in height. (4) Four anchors per jamb plus one additional anchor per jamb for each 24 inches (610 mm) or fraction thereof more than 96 inches (2438 mm) in height. b. Stud-Wall Type: Locate anchors not more than 18 inches (457 mm) from top and bottom of frame. Space anchors not more than 32 inches (813 mm) o.c. and as follows: (1) Three anchors per jamb up to 60 inches (1524 mm) in height. (2) Four anchors per jamb from 60 to 90 inches (1524 to 2286 mm) in height. (3) Five anchors per jamb from 90 to 96 inches (2286 to 2438 mm) in height. (4) Five anchors per jamb plus one additional anchor per jamb for each 24 inches (610 mm) or fraction thereof more than 96 inches (2438 mm) in height. (5) Two anchors per head for frames more than 42 inches (1066 mm) wide and mounted in metal-stud partitions. c. Compression Type: Not less than two anchors in each jamb. d. Post-installed Expansion Type: Locate anchors not more than 6 inches (152 mm) from top and bottom of frame. Space anchors not more than 26 inches (660 mm) o.c. 6. Head Reinforcement: For frames more than 48 inches (1219 mm) wide, provide continuous head reinforcement for full width of opening, welded to back of frame at head. 7. Door Silencers: Except on weather-stripped frames, drill stops to receive door silencers as follows. Provide plastic plugs to keep holes clear during construction. a. Single-Door Frames: Drill stop in strike jamb to receive three door silencers. b. Double-Door Frames: Drill stop in head jamb to receive two door silencers. 8. Stops and Moldings: Provide stops and moldings around glazed lites and solid panels where indicated. Form corners of stops and moldings with butted or mitered hairline joints. STAINLESS-STEEL DOORS AND FRAMES July Openings

19 a. Single Glazed Lites: Provide fixed stops and moldings welded on secure side of door or frame. b. Multiple Glazed Lites: Provide fixed and removable stops and moldings such that each lite is capable of being removed independently. c. Coordinate rabbet width between fixed and removable stops with type of glazing or panel and type of installation indicated. 9. Hardware Preparation: Factory prepare stainless-steel frames to receive templated mortised hardware; include cutouts, reinforcement, mortising, drilling, and tapping, according to the Door Hardware Schedule and templates furnished as specified in Section "Door Hardware." a. Reinforce frames to receive non-templated mortised and surface-mounted door hardware. b. Locate hardware as indicated, or if not indicated, according to HMMA 831, "Recommended Hardware Locations for Custom Hollow Metal Doors and Frames." 10. Plaster Guards: Weld guards to frame at back of hardware mortises and mounting holes in frames to be grouted. 11. Tolerances: Fabricate frames to tolerances indicated in ANSI/NAAMM-HMMA 866. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of stainless-steel doors and frames. B. Examine roughing-in for embedded and built-in anchors to verify actual locations of stainless-steel, door-frame connections before frame installation. C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Remove welded-in shipping spreaders installed at factory. Restore exposed finish by grinding, filling, and dressing, as required to make repaired area smooth, flush, and invisible on exposed faces. B. Prior to installation and with installation spreaders in place, adjust and securely brace stainless-steel door frames for squareness, alignment, twist, and plumb to the following tolerances: 1. Squareness: Plus or minus 1/16 inch (1.6 mm), measured at door rabbet on a line 90 degrees from jamb perpendicular to frame head. 2. Alignment: Plus or minus 1/16 inch (1.6 mm), measured at jambs on a horizontal line parallel to plane of wall. 3. Twist: Plus or minus 1/16 inch (1.6 mm), measured at opposite face corners of jambs on parallel lines, and perpendicular to plane of wall. STAINLESS-STEEL DOORS AND FRAMES July Openings

20 4. Plumbness: Plus or minus 1/16 inch (1.6 mm), measured at jambs on a perpendicular line from head to floor. C. Drill and tap doors and frames to receive non-templated mortised and surface-mounted door hardware. 3.3 INSTALLATION A. General: Install stainless-steel doors and frames plumb, rigid, properly aligned, and securely fastened in place; comply with ANSI/NAAMM-HMMA 866 and manufacturer's written instructions. B. Stainless-Steel Frames: Install stainless-steel frames of size and profile indicated. 1. Set frames accurately in position; plumbed, aligned, and braced securely until permanent anchors are set. After wall construction is complete, remove temporary braces, leaving surfaces smooth and undamaged. a. At fire-protection-rated openings, install frames according to NFPA 80. b. Where frames are fabricated in sections due to shipping or handling limitations, field splice at approved locations by welding face joint continuously; grind, fill, dress, and make splice smooth, flush, and invisible on exposed faces. c. Install frames with removable glazing stops located on secure side of opening. d. Install door silencers in frames before grouting. e. Remove temporary braces necessary for installation only after frames have been properly set and secured. f. Check plumb, squareness, and twist of frames as walls are constructed. Shim as necessary to comply with installation tolerances. g. Apply corrosion-resistant coating to backs of grout-filled frames. 2. Floor Anchors: Provide floor anchors for each jamb and mullion that extends to floor and secure with post-installed expansion anchors. a. Floor anchors may be set with powder-actuated fasteners instead of post-installed expansion anchors, if so indicated and approved on Shop Drawings. 3. Metal-Stud Partitions: Solidly pack mineral-fiber insulation behind frames. 4. In-Place Concrete or Masonry Construction: Secure frames in place with post-installed expansion anchors. Countersink anchors, and fill and make smooth, flush, and invisible on exposed faces. 5. In-Place Gypsum Board Partitions: Secure frames in place with post-installed expansion anchors through floor anchors at each jamb. Countersink anchors, and fill and make smooth, flush, and invisible on exposed faces. 6. Ceiling Struts: Extend struts vertically from top of frame at each jamb to supporting construction above, unless frame is anchored to masonry or to other structural support at each jamb. Bend top of struts to provide flush contact for securing to supporting construction above. Provide adjustable wedged or bolted anchorage to frame jamb members. STAINLESS-STEEL DOORS AND FRAMES July Openings